Indra Briliansyah, and Donny Avianto. “Point of Sale Application for MSMEs in Indonesia With Payment Gateway Integration and NoSQL-Based”. International Journal of Innovative Research in Engineering and Management 11, no. 6 (December 28, 2024): 138–150. Accessed April 3, 2025. http://ijirem.irpublications.org/index.php/ijirem/article/view/102.